diff options
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/include/asm/cacheflush.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/nios2/include/asm/cacheflush.h b/arch/nios2/include/asm/cacheflush.h index 52abba973dc2..55e383c173f7 100644 --- a/arch/nios2/include/asm/cacheflush.h +++ b/arch/nios2/include/asm/cacheflush.h @@ -46,7 +46,9 @@ extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page, extern void flush_dcache_range(unsigned long start, unsigned long end); extern void invalidate_dcache_range(unsigned long start, unsigned long end); -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) +#define flush_dcache_mmap_lock(mapping) \ + spin_lock_irq(&(mapping)->tree_lock) +#define flush_dcache_mmap_unlock(mapping) \ + spin_unlock_irq(&(mapping)->tree_lock) #endif /* _ASM_NIOS2_CACHEFLUSH_H */ |